EN

CVE-2018-13379

Critical
9.1
0.05.010.0
Year
2019
Published
Jun 4, 2019
Known Affected Devices
0
CVSS Score
9.1

What is CVE-2018-13379?

An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to download system files via special crafted HTTP resource requests.

CVSS Vector Breakdown

CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AV
Attack Vector
Network

Exploitable remotely over the network without requiring access to the local system.

AC
Attack Complexity
Low

No special conditions required. Exploit can be performed reliably and repeatedly.

PR
Privileges Required
None

No authentication required. Any anonymous user can exploit this vulnerability.

UI
User Interaction
None

No user interaction required. Exploit runs without any victim action.

S
Scope
Unchanged

Exploiting the vulnerability only affects the vulnerable component itself.

C
Confidentiality Impact
High

Complete loss of confidentiality. All data on the component may be exposed.

I
Integrity Impact
None

No integrity impact. Data cannot be modified.

A
Availability Impact
High

Complete denial of service. The component becomes fully unavailable.

Known Affected Devices

Fortinet Fortinet FortiGate 40F Fortinet Fortinet FortiGate 81E Fortinet Fortinet FortiGate 200E Fortinet Fortinet FortiGate 501E Fortinet Fortinet FortiGate 1000D Fortinet Fortinet FortiGate 1101E Fortinet Fortinet FortiGate 2201E Fortinet Fortinet FortiGate 3100D Fortinet Fortinet FortiGate 3200D Fortinet Fortinet FortiGate 3400E Fortinet Fortinet FortiGate 4200F Fortinet Fortinet FortiGate 4401F Fortinet Fortinet FortiGate 6300F Fortinet Fortinet FortiGate 7040E Fortinet Fortinet FortiGate VM01 Fortinet Fortinet FortiGate VM04 Fortinet Fortinet FortiGate VM08

FAQ

How severe is CVE-2018-13379?

CVE-2018-13379 has a CVSS score of 9.1/10, rated as Critical. This is the highest severity level - immediate patching is strongly recommended.

What does the CVSS score mean for CVE-2018-13379?

CVSS (Common Vulnerability Scoring System) rates vulnerability severity from 0.0 to 10.0. CVE-2018-13379 scores 9.1/10 (Critical). Scores 9.0–10.0 are Critical, 7.0–8.9 are High, 4.0–6.9 are Medium, and below 4.0 are Low.

Which devices are affected by CVE-2018-13379?

The list of devices confirmed to be affected by CVE-2018-13379 is shown in the "Affected Devices" section above. Check your firmware version against the vendor security advisory and apply the latest patch.

How do I fix or mitigate CVE-2018-13379?

Apply the latest firmware or software update from the vendor. Check the References section above for official advisories and patch notes. If no patch is available, consider disabling the affected feature or isolating the device from untrusted networks.